Otto Ottesen

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Ludvika, SE

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Patents Grantslast 30 patents

Information Patent Grant
Induction voltage transformer
- Patent number 4,209,763
- Issue date Jun 24, 1980
- ASEA Aktiebolag
- Otto Ottesen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Top core type current transformer structure
- Patent number 4,117,437
- Issue date Sep 26, 1978
- Asea Aktiebolag
- Otto Ottesen
- H01 - BASIC ELECTRIC ELEMENTS